Претраживање
Приказ резултата 1-10 од 1442
In vitro tissue cultures: Microencapsulation and bioreactor cultivation / In vitro kulture tkiva - mikroenkapsulacija i bioreaktorska kultivacija
(Institut bezbednosti, Beograd, 2004)
In this paper, two strategies for in vitro tissue cultivation are presented Microencapsulation is aimed for transplantation of functional tissues encapsulated in semi-permeable membranes, which provide efficient transport ...
The effect of hydrogen co-deposition on the morphology of copper electrodeposits. II. Correlation between the properties of electrolytic solutions and the quantity of evolved hydrogen
(Elsevier, 2008)
Formation of irregular deposits by electrodeposition from acid sulfate solutions of various H2SO4 concentrations was examined by the determination of the average current efficiency of hydrogen evolution and by the scanning ...
Barium strontium titanate powders prepared by spray pyrolysis
(Elsevier Science Sa, Lausanne, 2005)
Ultasonic spray pyrolysis (SP) has been investigated for the production of the barium strontium titanate (BST) powders from the polymeric precursors. The processing parameters, such as flux of aerosol and temperature profile ...
An experimental study of the partial oxidation of ethane to ethylene in a shallow fluidized bed reactor / Eksperimentalno ispitivanje parcijalne oksidacije etana do etilena u reaktoru sa plitkim fludizovanim slojem
(Serbian Chemical Society, Belgrade, 2007)
The partial catalytic oxidation of ethane to ethylene was investigated experimentally in a shallow fluidized bed. The performances of two catalyst types, pure γ-Al2O3 and V2O5/γ-Al2O3 particles 1.8 mm in diameter, were ...
Composition and antimicrobial activity of essential oil of Satureja montana L. collected in Serbia and Montenegro
(Allured Publ Corp, Carol Stream, 2005)
The chemical composition of the essential oil of Satureja montana L. subsp. montana (Lamiaceae), obtained from the air-dried plant material by hydrodistillation, was analyzed using GC and GUMS. The major components were ...
Surface characteristics and modification of different carbon materials
(7th Conference of the Yugoslav Materials Research Society - Recent Developments in Advanced Materials and Processes, YUCOMAT VII, 2006)
In this work, surface characteristics of different carbon materials were investigated. The materials under consideration were: activated carbon, carbon monolith, carbon felt and glassy carbon (powder, plate and broken ...
Compatibility examination of explosive and polymer materials by thermal methods / Ispitivanje kompatibilnosti eksplozivnih i polimernih materijala termijskim metodama
(Military Technical Institute, Belgrade, 2003)
Explosive materials must be compatible with polymer materials while they are in contact. For rapid examination of compatibility the thermal methods are applied. This article describes the methodology and criteria of ...
Amtimicrobial activity of essential oil of Melissa officinalis L, Lamiaceae / Antimikrobna aktivnost etarskog ulja Melissa officinalis L, Lamiaceae
(Association of Chemical Engineers of Serbia, 2005)
The antimicrobial activity of the essential oil of Melissa officinalis was investigated in this paper. The essential oil was obtained by the principle of water and steam and analyzed by GC and GC-MS using FID and MSD. The ...
Modeling and investigation of SiGe based MOSFET structure transport characteristics
(8th Conference of the Yugoslav Materials Research Society, 2007)
The focus of this paper was the investigation and modeling of transport characteristics in a strained SiGe based MOSFET structure, which might be of fundamental importance for the understanding of its operating characteristics. ...
Immobilization of penicillin acylase from Escherichia coli on commercial sepabeads EC-EP carrier
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
This paper reports the covalent immobilization of penicillin G acylase from E. coli on sepabeads EC-EP, an epoxy-activated polymethacrylic carrier, and describes kinetic properties of the immobilized enzyme. The selected ...